Our History

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Our History

Greenwood Furnace Co. was founded by Walter Zainey in the Greenwood neighborhood of Seattle in 1918 and quickly earned a reputation for providing quality products and services to its customers.

Over 100 Years of Quality Service

For years, we were under the impression that Greenwood was established in 1921. However, we recently discovered it was actually founded in 1918 thanks to a newspaper clipping from Walter’s granddaughter from a newspaper ad published in 1968 .

Business Expansion

In 1990, we were purchased by Pat Martin. Over the next 7 years, we quickly expanded and became the 46th fastest growing company in Washington. In 1999, we were sold to Service Experts, a national chain of service companies with over 200 locations controlled by Lennox International.

Back To Our Roots

In December of 2004, we changed hands again and went back to our Puget Sound roots of being owned by a local Seattle resident. Today we have nearly 100 dedicated professionals with the single mission of 100% customer satisfaction.

Our Core Values

We are proud to be founded on the following core values:

  • A+ rating with the Better Business Bureau
  • Mitsubishi Diamond Dealer
  • Angie’s List Super Service Award Winner (over 10 years in a row)
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Walter Zainey started the Greenwood Furnace Co. in the Greenwood neighborhood of Seattle in 1918 and quickly built a reputation for providing quality products and services.

We are committed to complete customer satisfaction and have a mission to be ‘The Most Trusted and Respected Home Services Company’ by providing the Highest Quality Air Conditioning and Heating products and services, and then backing it up with the industries best warranties and guarantees.

Today we have nearly 100 dedicated professionals with the single mission of 100% Customer Satisfaction.

"When my hot water heater started leaking, I immediately called Greenwood, a company I rely on to maintain my furnace and water heater, both of which had been installed by Greenwood. I received a speedy call back, courteous service and the information I needed to take steps back to water heater health! I am so impressed by this company." Rae Ann E.
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